Sequential, photometer for measuring
output of a vehicle mounted lamp



DEFENSIVE PUBLICATION UNITED STATES PATENT OFFICE Published at the request or the applicant or owner in accordance with the Notice of Apr. 11, 1968, 849 O.G. 1221. Identification is by serial number or the application and the heading indicates the number of pages of specification, including claims, and of sheets of drawing contained in the application as originally filed. The file of this application is available to the public for inspection; reproduction may be purchased for 130 cents per sheet.

Applications published under the Defensive Publication Program have not been examined as to the merits of alleged invention. The Patent Oflice makes no assertion as to the novelty of the disclosed subject matter.

PUBLISHED APRIL 29, 1969 782,704 SEQUENTIAL PHOTOMETER FOR MEASURING OUTPUT OF A VEHICLE MOUNTED LAMP William N. Moroney, Detroit, Mich., assignor to Ford Motor Company, Dearborn, Mich., a corporation of Delaware Filed Dec. 10, 1968. Published Apr. 29, 1969 Int. Cl. G01j 1/00; Hillj 39/12 US. Cl. 356121 1 Sheet Drawing. 6 Pages Specification A testing apparatus for photometrically testing the light distributive candlepower of vehicle mountable lamp assemblies. The lamp (13) to be tested is positioned in predetermined relationship to a plurality of photocells (15) each of which is located at a specific test point. The surface of each photocell is located an equal radial distance from the lamp filament. The photocells are sequentially activated by means (16) and the excitation of each cell is measured by a digital voltmeter (17) and recorded by a recorder (18) in terms of candlepower value.

' A ril 29, 1969 W. N. MORON'EY' DEF. PUB.

SEQUENTIAL PHOTOMETER FOR mmsuame OUTPUT OF A VEHICLE MOUNTED LAMP 5N 7 8270 Filed Dec. 10, 1968 8 0 8 wk, If a INVENTOR. Q h r/fidm /1, Mzww; 

